Search Results for author: Sean Jewell

Found 4 papers, 2 papers with code

Latent Temporal Flows for Multivariate Analysis of Wearables Data

no code implementations14 Oct 2022 Magda Amiridi, Gregory Darnell, Sean Jewell

Latent Temporal Flows simultaneously recovers a transformation of the observed sequences into lower-dimensional latent representations via deep autoencoder mappings, and estimates a temporally-conditioned probabilistic model via normalizing flows.

Computational Efficiency Time Series Analysis

LatTe Flows: Latent Temporal Flows for Multivariate Sequence Analysis

no code implementations29 Sep 2021 Magda Amiridi, Gregory Darnell, Sean Jewell

We introduce Latent Temporal Flows (\emph{LatTe-Flows}), a method for probabilistic multivariate time-series analysis tailored for high dimensional systems whose temporal dynamics are driven by variations in a lower-dimensional discriminative subspace.

Time Series Time Series Analysis

Fast Nonconvex Deconvolution of Calcium Imaging Data

1 code implementation21 Feb 2018 Sean Jewell, Toby Dylan Hocking, Paul Fearnhead, Daniela Witten

Calcium imaging data promises to transform the field of neuroscience by making it possible to record from large populations of neurons simultaneously.

Methodology Neurons and Cognition Applications

Exact Spike Train Inference Via $\ell_0$ Optimization

1 code implementation25 Mar 2017 Sean Jewell, Daniela Witten

For each neuron, a fluorescence trace is measured; this can be seen as a first-order approximation of the neuron's activity over time.

Applications Neurons and Cognition

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